After a number of wildly unexpected down-ballot successes on Election Day, Republicans are optimistic about maintaining control of the Senate but need to keep an eye on their suburban woes.

As of Thursday, Republicans are set to control 50 seats in the Senate next year before the Georgia special elections. Should the GOP win just one of those two races, the GOP will enjoy a narrow majority in the upper chamber and a definitive veto over much of President-elect Joe Biden’s policy agenda.